<template>
	<view class="page">

		<scroll-view class="scrollList" scroll-y :scroll-into-view="scrollViewId" :style="{height:winHeight + 'px'}">
			<view class="header" @tap="goSearch">
				<u-search v-model="keyword" placeholder="搜索" shape="square" :show-action="false" :bg-color="'#ffffff'"></u-search>
			</view>
			<view class="uni-list">

				<view class="uni-media-list btm_border" @click="goPath('../friend/apply-list',0)">
					<view class="uni-media-list-logo">
						<image src="../../static/theme/default/friend/new.png" class="img-icon" />

					</view>
					<view class="uni-media-list-body">
						<view class="uni-list-cell-navigate">新的朋友</view>
					</view>
					<view v-if="new_friend_tips > 0">
						<view class="red_num"><text>{{new_friend_tips}}</text></view>
						<view><text>&nbsp;</text></view>
					</view>
				</view>

				<view class="uni-media-list btm_border" @click="goPath('./group_chat')">
					<view class="uni-media-list-logo">
						<image src="../../static/theme/default/friend/group.png" class="img-icon" />

					</view>
					<view class="uni-media-list-body">
						<view class="uni-list-cell-navigate">群聊</view>
					</view>
					<view>
						<view class=""><text></text></view>
						<view><text>&nbsp;</text></view>
					</view>
				</view>

				<view class="uni-media-list btm_border" @tap="goPath('./onmessage-group-apply',1)">
					<view class="uni-media-list-logo">
						<image src="../../static/theme/default/friend/group-auth.png" class="img-icon" />

					</view>
					<view class="uni-media-list-body">
						<view class="uni-list-cell-navigate">群认证</view>
					</view>
					<view v-if="new_group_tips > 0">
						<view class="red_num"><text>{{new_group_tips}}</text></view>
						<view><text>&nbsp;</text></view>
					</view>
				</view>

				<uni-list-item title="标签" :show-arrow="false" thumb="../../static/theme/default/friend/label.png" @click="goPath('')"
				 v-if="0" />
				<uni-list-item title="小程序" :show-arrow="false" thumb="../../static/theme/default/friend/program.png" @click="goPath('')"
				 v-if="0" />


				<block v-for="(list, key) in list_data" :key="key">
					<view class="uni-list-cell-divider" :id="list.letter">
						{{list.letter}}
					</view>
					<view class="uni-list-cell" hover-class="none" :class="list.data.length -1 == index ? 'uni-list-cell-last' : ''"
					 v-for="(item,index) in list.data" :key="isKey(key,index)">
						<uni-swipe-action :options="options" @click="swipeAction"  @opened="openedAction(item)">
							<view class="uni-media-list" @tap="goDetails(item.user_id + '')">
								<view class="uni-media-list-logo">
									<image :src="photo(item.photo+'')" :lazy-load="true" style="border-radius: 10upx;" />
								</view>
								<view class="uni-media-list-body">
									<view class="uni-list-cell-navigate">{{item.name}}</view>
								</view>
							</view>
						</uni-swipe-action>
					</view>
				</block>
			</view>
		</scroll-view>

		<view class="uni-indexed-list-bar" :class="touchmove ? 'active' : ''" @touchstart="touchStart" @touchend="touchEnd" @touchcancel="touchCancel"
		  :style="{height:winHeight + 'px'}">
			<text v-for="(list,key) in list_data" :key="key" class="uni-indexed-list-text" :class="touchmoveIndex == key ? 'active' : ''"
			 :style="{height:itemHeight + 'px',lineHeight:itemHeight + 'px'}" @tap="scrollToLetter(list.letter)">
				{{list.letter}}
			</text>
		</view>
		<!--  @touchmove.stop.prevent="touchMove"-->

		<view class="uni-indexed-list-alert" v-if="touchmove">
			{{scrollViewId}}
		</view>

	</view>
</template>

<script>
	import uniIcon from '@dcloudio/uni-ui/lib/uni-icon/uni-icon.vue';
	import uniList from '@dcloudio/uni-ui/lib/uni-list/uni-list.vue';
	import uniListItem from '@dcloudio/uni-ui/lib/uni-list-item/uni-list-item.vue';
	import uniSwipeAction from '@dcloudio/uni-ui/lib/uni-swipe-action/uni-swipe-action.vue'
	import websocket from '../../util/websocket';
	import _hook from '../../util/_hook';
	import _data from '../../util/_data';
	import _action from '../../util/_action';

	export default {
		components: {
			uniIcon,
			uniList,
			uniListItem,
			uniSwipeAction,
		},
		data() {
			return {
				list_data: [],
				new_friend_tips: 0,
				new_group_tips: 0,
				title: 'grid',
				touchmove: false,
				touchmoveIndex: -1,
				itemHeight: 0,
				winHeight: 0,
				scrollViewId: "A",
				titleHeight: 0,
				keyword:"",
				letterAlert:'',
				options: [{
					text: '备注',
				}, {
					text: '删除',
					style: {
						backgroundColor: '#dd524d'
					}
				}],
				friend:{},
				tList:[]
			}
		},
		watch:{
			keyword:function(val){
				console.log(val)
				let arr = this.tList;
				if(val!=''){
					this.list_data = arr.filter(v => {
						let flag = false
						if(v.data.length>0){
							v.data.forEach(m=>{
								if(m.name.includes(val)){
									flag = true
								}
							})
						}
						return flag
					})
				}else {
					this.list_data = this.tList
				}
			}
		},
		onShow() {
			_hook.routeTabBarHook();
			let _this = this,
				friend_list = _data.localData('friend_list'),
				tips_num = _data.data('new_friend_tips_num'),
				tips_group_apply = _data.data('new_group_tips_num');

			/** 监听最新数据 */
			uni.$on('data_friend_list', function(data) {
				_this.list_data = data;
				_this.tList = data;
			});
			/** 监听新的朋友提示 */
			uni.$on('data_new_friend_tips', function(data) {
				_this.new_friend_tips = data;
				console.log(_this.new_friend_tips);
			});
			/** 监听群认证消息 */
			uni.$on('data_new_group_apply_tips', function(data) {
				_this.new_group_tips = data;
			});

			_this.new_friend_tips = tips_num;
			_this.new_group_tips = tips_group_apply;

			/** 加载本地缓存数据，让页面秒速渲染出来 */
			if (friend_list) {
				_this.list_data = friend_list;
			} else {
				websocket.getFriendList();
			}
		},
		onLoad() {
			let winHeight = uni.getSystemInfoSync().windowHeight;
			this.itemHeight = winHeight / 26;
			this.winHeight = winHeight;
		},
		onHide() {
			uni.$off('data_friend_list');
			uni.$off('data_new_friend_tips');
			uni.$off('data_new_group_apply_tips');
		},
		computed: {
			staticPhoto() {
				return _data.staticPhoto();
			},
		},
		methods: {
			goSearch(){
				uni.navigateTo({
					url: '/pages/friend/phone-search',
				});
			},
			openedAction(item){
				this.friend=item;
			},
			photo(path) {
				return this.staticPhoto + path;
			},
			swipeAction(e) {
				let _this=this;
				switch (e.index) {
				    case 0:
				        /** 备注 */
						uni.navigateTo({
							url: './remarks?user_id=' + this.friend.user_id,
							animationType: 'slide-in-bottom',
						});
				        break;
				    case 1:
				        /** 删除朋友 */
						return;
						let user_id=_this.friend.user_id;
				        _this.$httpSend({
				            path: '/im/onmessage/deleteChat',
				            data: {user_id},
				            success: (data) => {
				               websocket.getFriendList();
				            }
				        });
				        break;
				    default:
				        break;
				}
			},
			goDetails(user_id) {
				if (user_id) {
					uni.navigateTo({
						url: '../friend/detail?user_id=' + user_id,
					});
				}
			},
			goPath(path, type) {
				switch (type) {
					case 0:
						path += '?action=' + (this.new_friend_tips ? 1 : 0)
						this.new_friend_tips = 0;
						_data.data('new_friend_tips_num', 0);
						_action.setStatusTips();
						break;
					case 1:
						path += '?action=' + (this.new_group_tips ? 1 : 0);
						this.new_group_tips = 0;
						_data.data('new_group_tips_num', 0);
						_action.setStatusTips();
						break;
					default:
						break;
				}
				if (path) {
					uni.navigateTo({
						url: path,
					});
				}
			},
			isKey(key, index) {
				return key + '' + index;
			},
			scrollToLetter(letter){
				this.scrollViewId=letter;
			},
			touchStart(e) {
				this.touchmove = true;
				let pageY = e.touches[0].pageY;
				let index = Math.floor((pageY - this.titleHeight) / this.itemHeight);
				let item = this.list_data[index] || false;
				console.log(index)
				if (item) {
					this.scrollViewId = item.letter;
					this.touchmoveIndex = index;
				}
			},
			touchMove(e) {
				let pageY = e.touches[0].pageY;
				let index = Math.floor((pageY - this.titleHeight) / this.itemHeight);
				let item = this.list_data[index] || false;
				console.log(index)
				if (item) {
					this.scrollViewId = item.letter;
					this.touchmoveIndex = index;
				}
			},
			touchEnd() {
				this.touchmove = false;
				//this.touchmoveIndex = -1;
			},
			touchCancel() {
				this.touchmove = false;
				//this.touchmoveIndex = -1;
			},
		},
		onNavigationBarButtonTap(e) {
			let _path = e.index ? './phone-search' : './add';
			uni.navigateTo({
				url: _path,
			});
		}
	}
</script>

<style scoped>
	.page {}

	.scrollList {
		flex: 1;
		height: 100vh;
	}

	.uni-indexed-list-bar {
		width: 40upx;
		height: 100vh;
		/*background-color: #e7e7e7;*/
		display: flex;
		flex-direction: column;
		position: absolute;
		align-items: center;
		right: 0;
		top: 0;
		justify-content: center
	}

	.uni-indexed-list-bar.active {
		/* background-color: rgb(200, 200, 200); */
	}

	.uni-indexed-list-text {
		font-size: 22upx;
		text-align: center;
	}

	.uni-indexed-list-bar.active .uni-indexed-list-text {
		color: #333;
	}

	.uni-indexed-list-text.active,
	.uni-indexed-list-bar.active .uni-indexed-list-text.active {
		color: #02b300;
	}

	.uni-indexed-list-alert {
		position: absolute;
		z-index: 20;
		width: 160upx;
		height: 160upx;
		left: 50%;
		top: 50%;
		margin-left: -80upx;
		margin-top: -80upx;
		border-radius: 80upx;
		text-align: center;
		line-height: 160upx;
		font-size: 70upx;
		color: #fff;
		background-color: rgba(0, 0, 0, 0.5);
	}

	.header {
		display: flex;
		flex-direction: row;
		padding: 10px 15px;
		align-items: center;
	}

	.input-view {
		display: flex;
		align-items: center;
		flex-direction: row;
		background-color: #e7e7e7;
		height: 30px;
		border-radius: 5px;
		padding: 0 10px;
		flex: 1;
	}

	.input {
		flex: 1;
		padding: 0 5px;
		height: 24px;
		line-height: 24px;
		font-size: 16px;
	}

	.uni-list-cell-navigate {
		padding: 0;
	}

	.uni-media-list-body {
		height: auto;
	}

	.uni-swipe-action {
		width: 710upx !important;
	}

	.btm_border {
		position: relative;
		display: flex;
		flex-direction: row;
		justify-content: space-between;
		align-items: center;
	}

	.btm_border::after {
		position: absolute;
		z-index: 3;
		right: 0;
		bottom: 0;
		left: 115upx;
		height: 1px;
		content: '';
		-webkit-transform: scaleY(.5);
		transform: scaleY(.5);
		background-color: #e7e6ef;
	}

	.img-icon {
		width: 85upx;
		height: 85upx;
		border-radius: 10upx;
	}

	.uni-media-list-logo {
		height: 85upx;
		width: 85upx;
		margin-right: 20upx;
	}

	.red_num {
		background-color: #F43530;
		width: 35upx;
		border-radius: 18upx;
		text-align: center;
		height: 35upx;
		line-height: 35upx;
		color: #FFFFFF;
		font-size: 23upx !important;
	}
</style>
